Finding the Fourth Proportional to 8,208,756.24, 11,325,321.84 and 5,311,812.28
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Solution
The fourth proportional to 8,208,756.24, 11,325,321.84 and 5,311,812.28 is: 7,328,513.83
Step by Step Solution
- Step 1: Write the proportion equation
8,208,756.24 : 11,325,321.84 = 5,311,812.28 : x - Step 2: Convert to fraction form
8,208,756.24/11,325,321.84 = 5,311,812.28/x - Step 3: Cross multiply
8,208,756.24x = 11,325,321.84 × 5,311,812.28 - Step 4: Simplify right side
8,208,756.24x = 60,157,983,624,664.20 - Step 5: Solve for x
x = 60,157,983,624,664.20/8,208,756.24 - Step 6: Final answer
x = 7,328,513.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.